Biblio

T. Mandal, “Ash as a neglected low-cost alternative for soap for hand washing (and disinfectant) relevant for Ebola prevention - and some more suggestions”. Torsten Mandal, Copenhagen, Denmark, p. 7 p., 2014.

S. Bloomfield and Nath, K. J., “Use of ash and mud for handwashing in low income communities”. International Scientific Forum on Home Hygiene, IFH, Geneva, Switzerland, p. 40 p.; 128 refs.; 11 tab.; 1 fig., 2009.

S. Chidambaram, Ramanathan, A. L., and Vasudevan, S., “Fluoride removal studies in water using natural materials”, Water SA, pp. p. 339-343 : 6 fig., 2 tab., 2003.

B. A. Hoque, “Handwashing practices and challenges in Bangladesh”, International journal of environmental health research, pp. p. 81-87 : 3 tab., 2003.

M. Chaudhuri and Ghua, S., “Removal of arsenic (III) from groundwater by low-cost materials”, Asian environment, pp. p. 42-50: fig., tab., 1990.